white sapphire as raw material to make sapphire ingot for LED and optical raw material it's used widely.

 

Verneuil white sapphire crackles

 

High purity white sapphire crackles:

Purity: 5N

Density: 3.98g/cm3

Dimension: round 20mm as photo

Payment Term: Payment in advance

Unit Price(FOB SH): US$48/kg

 

Detailed composition data as below:

White Sapphire Composition Data           -- Tested by Evans (GDMS)
Material	Composition(PPM)
Ca	<0.5
Fe	<1
Mg	<0.5
Si	<5
Na	<0.5
K	<0.5
Pb	<0.1
Ti	<0.5
Cd	1
Co	1
Cr	2
Ni	1
Mn	1
V	1